An apparatus for the extraction of easil
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Holt, P. F. ;Callow, H. J.
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Article
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1942
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Wiley (John Wiley & Sons)
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z 19). The silver iou concciitration nround the colloidal silver iodide pnrticles is coutinunlly chnnging. Tliese pnrticles dissolve inore or less in sodium thiosulplinte niid the silver ion concentriitioii on their surfnce is cortscqucntly higher than in thc solution. The silver iodide surfnce is t